<template>
  <div class="login-container">
    <div class="logo">
      <img src="~@/assets/img/logo1.png">
    </div>
    <div class="title-container">
      <h3 class="title1">油气管道动火作业综合监控平台</h3>
      <div class="title-sm">
        intelligent welding MANAGEMENT PLATFORM
      </div>
    </div>
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" autocomplete="on"
      label-position="left">

      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input ref="username" v-model="loginForm.username" placeholder="请输入用户名" name="username" type="text"
          tabindex="1" autocomplete="on" />
      </el-form-item>

      <el-tooltip v-model="capsTooltip" content="Caps lock is On" placement="right" manual>
        <el-form-item prop="password">
          <span class="svg-container">
            <svg-icon icon-class="password" />
          </span>
          <el-input :key="passwordType" ref="password" v-model="loginForm.password" :type="passwordType"
            placeholder="请输入密码" name="password" tabindex="2" autocomplete="on" @keyup.native="checkCapslock"
            @blur="capsTooltip = false" @keyup.enter.native="handleLogin" />
          <span class="show-pwd" @click="showPwd">
            <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
          </span>
        </el-form-item>
      </el-tooltip>
      <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;"
        @click.native.prevent="handleLogin">登录</el-button>
    </el-form>
    <!--      <div class="copy-txt">
      Copyright © 2020. xingfuwan.com. All Reserved.
  </div>-->
  </div>
</template>

<script>
  export default {
    name: 'Login',
    data() {
      const validateUsername = (rule, value, callback) => {
        if (!value) {
          callback(new Error('请输入用户名'))
        } else {
          callback()
        }
      }
      const validatePassword = (rule, value, callback) => {
        if (value.length < 6) {
          callback(new Error('密码不能小于6位'))
        } else {
          callback()
        }
      }
      return {
        loginForm: {
          username: '',
          password: ''
        },
        loginRules: {
          username: [{
            required: true,
            trigger: 'blur',
            validator: validateUsername
          }],
          password: [{
            required: true,
            trigger: 'blur',
            validator: validatePassword
          }]
        },
        passwordType: 'password',
        capsTooltip: false,
        loading: false,
        showDialog: false,
        redirect: undefined,
        otherQuery: {}
      }
    },
    watch: {
      $route: {
        handler: function (route) {
          const query = route.query
          if (query) {
            this.redirect = query.redirect
            this.otherQuery = this.getOtherQuery(query)
          }
        },
        immediate: true
      }
    },
    created() {
      // window.addEventListener('storage', this.afterQRScan)
      const CryptoJS = require('crypto-js')
      const key = CryptoJS.enc.Utf8.parse('chainpeopleopens') // 十六位十六进制数作为密钥
      const iv = CryptoJS.enc.Utf8.parse('chainpeopleopens')

    
    },
    mounted() {
      if (this.loginForm.username === '') {
        this.$refs.username.focus()
      } else if (this.loginForm.password === '') {
        this.$refs.password.focus()
      }
    },
    destroyed() {
      // window.removeEventListener('storage', this.afterQRScan)
    },
    methods: {
      checkCapslock({
        shiftKey,
        key
      } = {}) {
        if (key && key.length === 1) {
          if (shiftKey && (key >= 'a' && key <= 'z') || !shiftKey && (key >= 'A' && key <= 'Z')) {
            this.capsTooltip = true
          } else {
            this.capsTooltip = false
          }
        }
        if (key === 'CapsLock' && this.capsTooltip === true) {
          this.capsTooltip = false
        }
      },
      showPwd() {
        if (this.passwordType === 'password') {
          this.passwordType = ''
        } else {
          this.passwordType = 'password'
        }
        this.$nextTick(() => {
          this.$refs.password.focus()
        })
      },
      handleLogin() {
        this.$refs.loginForm.validate(valid => {
          if (valid) {
            this.loading = true
            this.$store.dispatch('user/login', this.loginForm)
              .then(() => {
                this.$router.push({
                  path: '/'
                })
                this.loading = false
              })
              .catch(error => {
                this.loading = false
                const data = error.response.data
                for (const key in data) {
                  this.$message.error(this.$t(key + '.' + data[key]))
                }
              })
          } else {
            console.log('error submit!!')
            return false
          }
        })
      },
      getOtherQuery(query) {
        return Object.keys(query).reduce((acc, cur) => {
          if (cur !== 'redirect') {
            acc[cur] = query[cur]
          }
          return acc
        }, {})
      }
      // afterQRScan() {
      //   if (e.key === 'x-admin-oauth-code') {
      //     const code = getQueryObject(e.newValue)
      //     const codeMap = {
      //       wechat: 'code',
      //       tencent: 'code'
      //     }
      //     const type = codeMap[this.auth_type]
      //     const codeName = code[type]
      //     if (codeName) {
      //       this.$store.dispatch('LoginByThirdparty', codeName).then(() => {
      //         this.$router.push({ path: this.redirect || '/' })
      //       })
      //     } else {
      //       alert('第三方登录失败')
      //     }
      //   }
      // }
    }
  }
</script>

<style lang="scss">
  /* 修复input 背景不协调 和光标变色 */
  /* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

  $bg:#283443;
  $light_gray:#fff;
  $cursor: #fff;

  @supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
    .login-container .el-input input {
      color: $cursor;
    }
  }

  /* reset element-ui css */
  .login-left {
    float: left;
    width: 612px;
    height: 440px;
    margin-top: 30px;
    background: rgba(29, 90, 150, 0.7);

    .logo {
      text-align: center;
      margin-top: 120px;
      margin-bottom: 25px;

      img {
        width: 96px;
        /*  height: 96px;*/
        border-radius: 50%;
      }
    }

    .title {
      height: 40px;
      font-size: 28px;
      font-family: PingFangSC-Regular;
      line-height: 40px;
      color: #fff;
      text-align: center;
      margin-bottom: 20px;
    }

    .title2 {
      font-size: 18px;
      font-family: PingFangSC-Regular;
      line-height: 25px;
      color: #fff;
      text-align: center;
    }
  }

  .login-container {
    .el-input {
      display: inline-block;
      height: 47px;
      width: 85%;

      input {
        background: transparent;
        border: 0px;
        -webkit-appearance: none;
        border-radius: 0px;
        padding: 12px 5px 12px 15px;
        color: #555;
        height: 47px;
        caret-color: $cursor;
      }
    }

    .el-form-item {
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(0, 0, 0, 0.1);
      border-radius: 5px;
      color: #454545;
    }
  }
</style>

<style lang="scss" scoped>
  $bg:#2d3a4b;
  $dark_gray:#889aa4;
  $light_gray:#eee;

  .login-container {
    min-height: 100%;
    width: 100%;
    //background-color: $bg;
    overflow: hidden;
    background-image: url("~@/assets/img/logbg.png");
    background-position: center;
    background-size: cover;

    .el-input input {
      color: #000;
      background: #fff;
      caret-color: #000;
    }

    .el-form-item {
      background: #fff;
    }

    .logo {
      text-align: center;
      margin-top: 150px;
      margin-bottom: 40px;

      img {
        border-radius: 50%;
      }
    }

    .title1 {
      font-size: 58px;
      font-family: PingFangSC-Semibold, PingFang SC;
      font-weight: 600;
      color: white;
      line-height: 50px;
      text-align: center;
      margin-bottom: 10px;
    }

    .title-sm {
      font-size: 20px;
      font-weight: 500;
      color: white;
      line-height: 28px;
      text-align: center;
      text-transform: uppercase
    }

    .login-form {
      position: relative;
      width: 360px;
      max-width: 100%;
      padding: 100px 35px 0;
      margin: 0 auto;
      overflow: hidden;
    }

    .tips {
      font-size: 14px;
      color: #fff;
      margin-bottom: 10px;

      span {
        &:first-of-type {
          margin-right: 16px;
        }
      }
    }

    .el-button--medium {
      font-size: 18px;
      padding: 13px 20px;
      margin-top: 40px;
      letter-spacing: 10px;
    }

    .copy-txt {
      font-size: 18px;
      font-family: MicrosoftYaHei;
      color: white;
      line-height: 24px;
      text-align: center;
      margin-top: 100px;
    }

    .tips {
      font-size: 14px;
      color: #fff;
      margin-bottom: 10px;

      span {
        &:first-of-type {
          margin-right: 16px;
        }
      }
    }

    .svg-container {
      padding: 6px 5px 6px 15px;
      color: $dark_gray;
      vertical-align: middle;
      width: 30px;
      display: inline-block;
    }

    .title-container {
      position: relative;

      .title {
        font-size: 26px;
        color: $light_gray;
        margin: 0px auto 40px auto;
        text-align: center;
        font-weight: bold;
      }
    }

    .show-pwd {
      position: absolute;
      right: 10px;
      top: 7px;
      font-size: 16px;
      color: $dark_gray;
      cursor: pointer;
      user-select: none;
    }

    .thirdparty-button {
      position: absolute;
      right: 0;
      bottom: 6px;
    }

    @media only screen and (max-width: 470px) {
      .thirdparty-button {
        display: none;
      }
    }
  }
</style>